.container {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: table;
    font-family: "Raleway","Segoe UI","Lucida Grande","Helvetica","Arial","Microsoft YaHei";
}
.container .img {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-repeat: no-repeat;
    background-image: url(../image/homebg.jpg);
    background-size: cover;
    animation: imgScale 2s ease-in-out;
}
.container .content {
    position: relative;
    width: 100%;
    padding: 0 3%;
    z-index: 2;
    text-align: center;
    color: #fff;
    animation: textOpacity 2.4s ease-in-out;
    display: table-cell;
    vertical-align: middle;
}
.container .content .title {
    font-size: 28px;
}
.container .content .description {
    font-size: 20px;
    padding-top: 20px;
}
.container .content .time {
    padding-top: 20px;
    font-size: 16px;
}
.container .content .btn {
    padding-top: 40px;
}
.container .content .btn a {
    display: inline-block;
    width: 80px;
    font-size: 12px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 3px;
    border: 1px solid #fff;
    text-decoration: none;
    color: #fff;
    transition: all .3s;
}
.container .content .btn a:hover {
    background: #fff;
    color: #35abbc;
}
@keyframes imgScale{0%{transform: scale(1.2);}100%{transform: scale(1);}}
@keyframes textOpacity{0%{opacity: 0} 50%{opacity: 0} 100%{opacity: 1}}
@media screen and (max-width: 768px) {
    .container .content .title{
        font-size: 20px;
    }
    .container .content .description{
        font-size: 16px;
    }
    .container .content .time{
        font-size: 14px;
    }
}